Exposure
ID
GRAVI.2025-06-18T05:22:45.094_1
Header ID
GRAVI.2025-06-18T05:22:45.094
Date updated
2025-06-18 05:35:53 UTC+0000
Release date
2025-06-18 05:22:45 UTC+0000
UTC Start
2025-06-18 05:22:45.094
UTC End
2025-06-18 05:25:25.094
MJD Start
60844.22413303
MJD End
60844.22598488186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.001987
Ambient temperature (°C)
6.42
Seeing (arcsec)
0.925
Observation
ID
67612
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50283
Name
HD_179130
RA
287.977144
DEC
-14.58451
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.0740 90.1710 112.9000 113.0000
A0-J2 127.0780 127.3640 89.9000 90.1000
A0-K0 124.4150 124.7560 67.8740 68.1240
G1-J2 56.3510 56.4930 51.5000 51.8000
G1-K0 87.9760 88.0730 21.5050 21.8510
J2-K0 48.2150 48.1950 345.8010 346.0830
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60844.22413303
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 179130
HIERARCH ESO INS SOBJ NAME HD_179130
RA 287.977144
DEC -14.58451
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.074
HIERARCH ESO ISS PBL12 END 90.171
HIERARCH ESO ISS PBLA12 START 112.9
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 127.078
HIERARCH ESO ISS PBL13 END 127.364
HIERARCH ESO ISS PBLA13 START 89.9
HIERARCH ESO ISS PBLA13 END 90.1
HIERARCH ESO ISS PBL14 START 124.415
HIERARCH ESO ISS PBL14 END 124.756
HIERARCH ESO ISS PBLA14 START 67.874
HIERARCH ESO ISS PBLA14 END 68.124
HIERARCH ESO ISS PBL23 START 56.351
HIERARCH ESO ISS PBL23 END 56.493
HIERARCH ESO ISS PBLA23 START 51.5
HIERARCH ESO ISS PBLA23 END 51.8
HIERARCH ESO ISS PBL24 START 87.976
HIERARCH ESO ISS PBL24 END 88.073
HIERARCH ESO ISS PBLA24 START 21.505
HIERARCH ESO ISS PBLA24 END 21.851
HIERARCH ESO ISS PBL34 START 48.215
HIERARCH ESO ISS PBL34 END 48.195
HIERARCH ESO ISS PBLA34 START 345.801
HIERARCH ESO ISS PBLA34 END 346.083
HIERARCH ESO ISS AMBI TAU0 START 0.002043
HIERARCH ESO ISS AMBI TAU0 END 0.001931
HIERARCH ESO ISS AMBI TEMP 6.42
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.96